user avatar
user avatar
user avatar
StephenG - Help Ukraine
  • Member for 6 years, 6 months
  • Last seen this week
  • Europe
85 votes
Accepted

Is there 'friction' in spacetime?

62 votes
Accepted

Indirectly breaking the speed of light

53 votes

Are planets actually moving in elliptical orbits around the Sun or do they move in circular orbits around their center of mass?

45 votes

Why was the neutrino thought to be massless?

43 votes

Why can't the human eye focus to make blurry photos/video clear?

30 votes

Why is a black body visible?

27 votes
Accepted

Can charge really not be created?

18 votes

What's wrong with Arnold's scaling argument on jumping height?

12 votes

Applying the Heisenberg uncertainty principle to photons

12 votes

Based on black hole thermodynamics, shouldn't empty space contain infinite energy?

10 votes

About the "worst prediction in all of physics"

9 votes

Why doesn't the nuclear fusion in a star make it explode?

9 votes

Shouldn't some stars behave as black holes?

9 votes

Is it possible to derive Navier-Stokes equations of fluid mechanics from the Standard Model?

9 votes
Accepted

Why are analytical solutions of the Schrödinger equation available only for a small number of simple models?

8 votes
Accepted

What is "quantization"? Give one example

8 votes
Accepted

What color are elementary particles?

8 votes

Why can fuel economy be measured in square meters?

7 votes

If steam and water, both at 100 °C, were exposed to a person's skin for a small time interval, which would result in a more severe burn?

7 votes

Question about the use of integration in physics

7 votes

How does Earth hold its atmosphere?

7 votes
Accepted

*Why* were the Chernobyl control rods tipped with graphite?

7 votes

Accuracy of physics laws

6 votes

What happens if you dump antimatter into a black hole?

6 votes
Accepted

Hydrogen atom and scale transformation for radial variable

6 votes

Can a photon decay?

5 votes
Accepted

Lagrange points and gravity

5 votes

Is the speed of light in vacuum $3\times 10^8\ \rm m/s$?

5 votes

Are black holes indistinguishable?

5 votes

Why does red light bend less than violet? "BUT" , sound diffracts more than light

1
2 3 4 5
9